ASTM D4052
Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D5002
Standard Test Method for Density, Relative Density, and API Gravity of Crude Oils by Digital Density Analyzer
Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
Standard Test Method for Density, Relative Density, and API Gravity of Crude Oils by Digital Density Analyzer